- 17. SEPTEMBER * Bernhard Riemann *

TOKYO_SUNRISE-05:24
SUNSET-17:47
MOON-19.0DAYS

_ Gassy Star Cluster
http://news.nationalgeographic.com/news/2011/09/pictures/110912-best-space-pictures-stars-auroras-iss-saturn-moon-mars-160/

1826
* Georg Friedrich Bernhard Riemann *
http://en.wikipedia.org/wiki/Bernhard_Riemann
http://www-groups.dcs.st-and.ac.uk/~history/Biographies/Riemann.html

_ Music is math
http://www.youtube.com/watch?v=JqJQGShxKo8
_ 数学B1・Riemann積分
http://www.youtube.com/watch?v=tKsmeObACAk
_ Lecture 19 - Applications of Riemann Integral
http://www.youtube.com/watch?v=hNOnzg-TcVs